Double-walled vessel.



G. S. REED.

DOUBLE WALLED VESSEL.

APPLICATION FILED SEPT. 17, 1907.

gigg- Patented Jan. 12, 1909,

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NITED STATES PATENT OFFIC;

CHARLES S.

REED, or NEW YORK, N. Y., Asslemon To AMERICAN THERMOS BOTTLE COMPANY, OF NEW YORK, N. Y., A CORPORATION OF MAINE.

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Ho. endear.

. Specification of Letters Eetenh.

'Patenlted em. 12, 1969.

Application filed September 17, 1907'. Serial No. 398,804.

vessels and has for its object'to' provide a ssl with my im a device and thus reduce from to novel device for s acing the inner andouter wells of the vesse apart at a distance from the mouth of the vessel so thatthe vessel may be reinforced at such point bythe said, v the liabi-htyof the vessel to become cracked or broken.- 7

A further ob'ect is. to provide a stiffening device of thee ove character which 'isisu'p-' ported by the bottom of the outerfwalLofthe vesse I A practical embodiment of my invention is represented in the accompanying draw-- ings, in which- 7 Figure 1 represents a double, walled ves roved- 'stifiening' "device applied theretm 1g. 2 is a-transverse section taken in the plane of the line A-A of Fig. 1, looking in the direction of the arrows,

"Fig. stiliening device;

llhomouth' f the vessel is denoted by 1, its inner wall by 2; and its outer wall by 3. These inner and outer walls are coinnceted at the mouth er the vessel and are spaced apart at ell other points. The space between the inner and outer walls of the vessel is do noted is} and the air is exhausted theregreetez' or lesser degree for preventing the'repid change in the temperature the contents of the vessel.

The device which I have provided for of blocks- 3 is a view in perspectiveof the --as my invention,

specing the'inner'and-outer walls of the vessel at art and holding't'hem in'suc'h spaced position at a;d1stance from the mouth of the bottle to, reduce'the liability of the breaks: e of the bottle, comprises a plurality of bloc 5 disposed annularlyf in the space thetween the innerand'I-outer wells of the vessel, the said blocks .being supported in position'by wiresB'r-estin upon the bottom ;7 of the outer wall-oft e vessel, In the present: instance, these s aci'ng blocks are ,shownes-[being arrange in pairs dis-metrically oplyosite to eech other and each pair eingsupported from the bottom of the o'uterwell ottthe vessel hy-ewire,

, the ends of which are-engaged with the blocks and an intermediate portion offwhi'ch rests u onthe said bottom 7 of, the outer wall o the vessel, This-arrangement pen rnits the ready exgfnsion' and contraction of cat and. cold and at the p the parts the vto- .same time stifi'eus the unconnected portions of the inner and outer walls at that pointwhere it, isdeSirehIe that they should be vstiffened to rednce'theliability of'b'r'eukege in handling-the vesse What I cleim is' In at vacuum insulated vessel of the type set forth, 'alpluralityof spacing block's'lb'eity of suprporting arms vfor said locks, radiating om'je' common junction disposed between'the bottoms of said vessel.

In testimony, that I claim the foregoing l'ha-ve signed my name in resence of two witnesses, this 12th day of 1 ptemher 19.07.

' HARLES S. REED iwitnessesz (1- S. Swoonsn, ,F. Gnon'en BARRY,

tween thewells inf s'aid,vessel ,,and: azglural 

